CoStar Group, Inc. CSGP
33.46 USD +2.14 (+6.82%)
Nov 4, 2026, 10:55 AM EST
32.20 Day range 33.55
26.95 52-week range 70.44
- YTD
- -50.24%
- 1 year
- -52.06%
Held by funds
292 US ETFs and mutual funds hold CSGP · largest positions
Ownership
Held by insiders 0.76%
Held by institutions 104.24%
Float held by institutions 105.04%
Institutions 1,069
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Vanguard Portfolio Management LLC | 9.42% | 37,914,844 | 1.19B | Jun 29, 2026 |
| Blackrock Inc. | 8.40% | 33,813,969 | 1.06B | Jun 29, 2026 |
| Vanguard Capital Management LLC | 6.63% | 26,683,792 | 835.74M | Jun 29, 2026 |
| BAMCO Inc. | 5.38% | 21,626,763 | 677.35M | Jun 29, 2026 |
| State Street Corporation | 4.58% | 18,410,876 | 576.63M | Jun 29, 2026 |
| Capital International Investors | 4.14% | 16,643,016 | 521.26M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| VANGUARD SPECIALIZED FUNDS-Vanguard Real Estate Index Fund | 3.95% | 15,894,241 | 497.81M | Jul 30, 2026 |
| BARON SELECT FUNDS-Baron Partners Fund | 3.90% | 15,703,171 | 491.82M | Jun 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 3.22% | 12,965,607 | 406.08M | Jun 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard 500 Index Fund | 2.63% | 10,575,691 | 331.23M | Jun 29, 2026 |
| Professionally Managed Portfolios-Akre Focus ETF | 2.11% | 8,491,693 | 265.96M | Jul 30, 2026 |
| AMERICAN FUNDS FUNDAMENTAL INVESTORS | 1.66% | 6,674,652 | 209.05M | Sep 29, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| BOXER GENE | General Counsel | Stock Award(Grant) | Mar 9, 2026 | 95,945 |
| DESMARAIS MICHAEL J | Officer | Stock Award(Grant) | Mar 9, 2026 | 90,598 |
| FLORANCE ANDREW COLDEN | Chief Executive Officer | Purchase | Aug 3, 2026 | 1,806,160 |
| KLEIN MICHAEL R | Director | Stock Gift | Dec 9, 2024 | 1,848,590 |
| LOWN CHRISTIAN M | Chief Financial Officer | Stock Award(Grant) | Mar 9, 2026 | 135,250 |
| NASSETTA CHRISTOPHER J | Director | Sale | Nov 26, 2024 | 275,715 |